Stamps of Luxembourg, 17 1/2c denom
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postage
1914 1914 issue unwmk p. 13
| - | 17 1/2c | brn | Grand Duchess Marie-Adelaide |
1916 1916 provisionals issue ovpted
| - | 17 1/2c on 30c | yelbrn | Grand Duchess Marie-Adelaide |
official
1915, Jun 14 1915 official issue ovpted
| - | 17 1/2c | brn | ovpt, Grand Duchess Marie-Adelaide |
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